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J Autism Dev Disord. 2012 Dec;42(12):2648-58. doi: 10.1007/s10803-012-1522-z.

Daytime secretion of salivary cortisol and alpha-amylase in preschool-aged children with autism and typically developing children.

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1
School of Public Health, University of California, 101 Haviland Hall, Berkeley, CA 94720, USA. sharon@fragilex.org

Abstract

We examined daytime salivary cortisol and salivary alpha-amylase (sAA) secretion levels and variability in preschool-aged children with autism (AUT) and typically developing children (TYP). Fifty-two subjects (26 AUT and 26 TYP) were enrolled. Salivary samples were obtained at waking, midday, and bedtime on two consecutive days at three phases (baseline, 3 months later, 6 months later). There were modest increases in waking cortisol and sAA levels in AUT relative to TYP, but the increases were not statistically significant. Important differences were observed in cortisol and sAA variability between AUT and TYP. There was also a graded response among AUT by functional status--cortisol and sAA secretion levels were higher when IQ was lower.

PMID:
22477468
PMCID:
PMC3602445
DOI:
10.1007/s10803-012-1522-z
[Indexed for MEDLINE]
Free PMC Article
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